Finding the Fourth Proportional to 42,057.32, 63,067.53 and 15,743.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,057.32 : 63,067.53 = 15,743.61 : x
2. Step 2: Convert to fraction form
   42,057.32/63,067.53 = 15,743.61/x
3. Step 3: Cross multiply
   42,057.32x = 63,067.53 × 15,743.61
4. Step 4: Simplify right side
   42,057.32x = 992,910,655.15
5. Step 5: Solve for x
   x = 992,910,655.15/42,057.32
6. Step 6: Final answer
   x = 23,608.51